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Old 07-29-2011, 09:59 PM   #1
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Weird noise ..?

Hey...
Here goes my first post.
I have a stock ( so far ) 2003 mustang gt When I first turn on my car I hear a deep clunk as if the car is checking the air bag, have heard it before on other cars so no biggie. But I keeps going it every few mins. Driving or idling. If I'm idling I notice my rpms drop a bit, hear the noise then the rpms go back to norm. Any ideas?
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Old 08-04-2011, 08:33 AM   #2
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That is possibly your ac compressor cycling. Even if they are off in most cases they will still cycle. Easy way to check is to unplug it and crank your car to see if it still does it.
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Old 08-04-2011, 08:44 AM   #3
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Thanks for the info... Will check it out and reply back
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